Files

829 lines
29 KiB
C#

using System.Text.Json;
using System.Text.Json.Serialization;
using SteamKit2;
using SteamKit2.Authentication;
using SteamKit2.Internal;
var options = Args.Parse(args);
var username = Env("STEAMKIT_USERNAME");
var password = Env("STEAMKIT_PASSWORD");
var accessToken = Env("STEAMKIT_ACCESS_TOKEN");
var authCode = Env("STEAMKIT_AUTH_CODE");
var twoFactorCode = Env("STEAMKIT_TWO_FACTOR_CODE");
var acceptMobileConfirmation = Env("STEAMKIT_ACCEPT_MOBILE_CONFIRMATION") == "1";
var timeoutSeconds = int.TryParse(Env("STEAMKIT_TIMEOUT_SECONDS"), out var parsedTimeout)
? parsedTimeout
: 90;
using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(timeoutSeconds));
var jsonOptions = new JsonSerializerOptions
{
WriteIndented = true,
DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
};
if (!string.IsNullOrWhiteSpace(options.AuthSessionOutPath))
{
if (string.IsNullOrWhiteSpace(username) || string.IsNullOrWhiteSpace(password))
{
throw new InvalidOperationException("STEAMKIT_USERNAME and STEAMKIT_PASSWORD are required for auth bootstrap.");
}
var existingSession = SteamKitSession.Load(options.SessionFilePath);
var session = await AuthClient.CreateSessionAsync(
username,
password,
authCode,
twoFactorCode,
acceptMobileConfirmation,
existingSession?.GuardData,
cts.Token
);
Directory.CreateDirectory(Path.GetDirectoryName(options.AuthSessionOutPath) ?? ".");
await File.WriteAllTextAsync(options.AuthSessionOutPath, JsonSerializer.Serialize(session, jsonOptions) + Environment.NewLine, cts.Token);
return;
}
options.RequireWatchMode();
Directory.CreateDirectory(options.OutDir!);
Directory.CreateDirectory(Path.GetDirectoryName(options.ReportPath!) ?? ".");
Directory.CreateDirectory(Path.GetDirectoryName(options.KeyLinesPath!) ?? ".");
Directory.CreateDirectory(Path.GetDirectoryName(options.MarkdownReportPath!) ?? ".");
var savedSession = SteamKitSession.Load(options.SessionFilePath);
if (savedSession is not null)
{
username = savedSession.Username;
password = null;
accessToken = savedSession.RefreshToken;
authCode = null;
twoFactorCode = null;
}
if (string.IsNullOrWhiteSpace(username) || (string.IsNullOrWhiteSpace(password) && string.IsNullOrWhiteSpace(accessToken)))
{
throw new InvalidOperationException("STEAMKIT_USERNAME and STEAMKIT_PASSWORD, STEAMKIT_ACCESS_TOKEN, or a valid --session-file are required.");
}
var snapshot = await PicsClient.FetchAsync(username, password, accessToken, authCode, twoFactorCode, cts.Token);
await File.WriteAllTextAsync(
Path.Combine(options.OutDir!, "pics-product-info.json"),
JsonSerializer.Serialize(snapshot, jsonOptions) + Environment.NewLine,
cts.Token
);
var previous = PreviousRows.Load(options.PreviousReportPath);
var rows = ReportRows.Build(snapshot, previous);
await File.WriteAllLinesAsync(
options.ReportPath!,
new[] { ReportRow.HeaderLine() }.Concat(rows.Select(row => row.ToTsv())),
cts.Token
);
var keyLines = new List<string> { "SteamKit/PICS package snapshot:" };
keyLines.Add(ReportRow.HeaderLine());
keyLines.AddRange(rows.Take(40).Select(row => row.ToTsv()));
await File.WriteAllLinesAsync(options.KeyLinesPath!, keyLines, cts.Token);
await File.WriteAllTextAsync(options.MarkdownReportPath!, MarkdownReport.Build(snapshot, rows, options.PreviousReportPath), cts.Token);
static string? Env(string name) => Environment.GetEnvironmentVariable(name);
sealed record Args(
string? OutDir,
string? ReportPath,
string? KeyLinesPath,
string? MarkdownReportPath,
string? PreviousReportPath,
string? SessionFilePath,
string? AuthSessionOutPath)
{
public static Args Parse(string[] args)
{
var values = new Dictionary<string, string>(StringComparer.Ordinal);
for (var index = 0; index < args.Length; index++)
{
if (!args[index].StartsWith("--", StringComparison.Ordinal))
{
continue;
}
if (index + 1 >= args.Length)
{
throw new ArgumentException($"Missing value for {args[index]}.");
}
values[args[index]] = args[++index];
}
return new Args(
Optional(values, "--out-dir"),
Optional(values, "--report"),
Optional(values, "--key-lines"),
Optional(values, "--markdown-report"),
values.TryGetValue("--previous-report", out var previousReport) && !string.IsNullOrWhiteSpace(previousReport)
? previousReport
: null,
Optional(values, "--session-file"),
Optional(values, "--auth-session-out")
);
}
public void RequireWatchMode()
{
_ = Require(OutDir, "--out-dir");
_ = Require(ReportPath, "--report");
_ = Require(KeyLinesPath, "--key-lines");
_ = Require(MarkdownReportPath, "--markdown-report");
}
static string? Optional(Dictionary<string, string> values, string key)
=> values.TryGetValue(key, out var value) && !string.IsNullOrWhiteSpace(value)
? value
: null;
static string Require(string? value, string key)
=> !string.IsNullOrWhiteSpace(value) ? value : throw new ArgumentException($"{key} is required.");
}
static class Targets
{
public static readonly Dictionary<uint, string> Apps = new()
{
[4165870] = "Steam Controller",
[4165890] = "Steam Frame",
[4165910] = "Steam Machine",
};
public static readonly Dictionary<uint, string> Packages = new()
{
[1558609] = "Steam Controller",
[1629446] = "Steam Machine",
[1629447] = "Steam Machine",
[1629458] = "Steam Machine",
[1629460] = "Steam Machine",
[1629484] = "Steam Frame",
[1629486] = "Steam Frame",
};
}
sealed record SteamKitSession(
[property: JsonPropertyName("username")] string Username,
[property: JsonPropertyName("steam_id")] string? SteamId,
[property: JsonPropertyName("refresh_token")] string RefreshToken,
[property: JsonPropertyName("access_token")] string? AccessToken,
[property: JsonPropertyName("guard_data")] string? GuardData,
[property: JsonPropertyName("created_at_utc")] DateTimeOffset CreatedAtUtc)
{
public static SteamKitSession? Load(string? path)
{
if (string.IsNullOrWhiteSpace(path) || !File.Exists(path))
{
return null;
}
var session = JsonSerializer.Deserialize<SteamKitSession>(File.ReadAllText(path));
return string.IsNullOrWhiteSpace(session?.RefreshToken) ? null : session;
}
}
static class AuthClient
{
public static async Task<SteamKitSession> CreateSessionAsync(
string username,
string password,
string? emailCode,
string? deviceCode,
bool acceptMobileConfirmation,
string? guardData,
CancellationToken cancellationToken)
{
var steamClient = new SteamClient();
var manager = new CallbackManager(steamClient);
var connected = new TaskCompletionSource(TaskCreationOptions.RunContinuationsAsynchronously);
var disconnected = new TaskCompletionSource<string>(TaskCreationOptions.RunContinuationsAsynchronously);
manager.Subscribe<SteamClient.ConnectedCallback>(_ => connected.TrySetResult());
manager.Subscribe<SteamClient.DisconnectedCallback>(callback =>
{
if (!callback.UserInitiated)
{
disconnected.TrySetResult("Steam disconnected before auth completed.");
}
});
Console.Error.WriteLine("Connecting to Steam...");
steamClient.Connect();
await CallbackPump.UntilAsync(manager, connected.Task, disconnected.Task, cancellationToken);
Console.Error.WriteLine("Connected. Starting Steam credential auth session...");
var authTask = steamClient.Authentication.BeginAuthSessionViaCredentialsAsync(new AuthSessionDetails
{
Username = username,
Password = password,
DeviceFriendlyName = "steam-hardware-watch",
PlatformType = EAuthTokenPlatformType.k_EAuthTokenPlatformType_SteamClient,
WebsiteID = "Client",
IsPersistentSession = true,
GuardData = guardData,
Authenticator = new EnvAuthenticator(emailCode, deviceCode, acceptMobileConfirmation),
});
await CallbackPump.UntilAsync(manager, authTask, disconnected.Task, cancellationToken);
var authSession = await authTask;
Console.Error.WriteLine("Auth session created. Waiting for Steam Guard confirmation or token response...");
var pollTask = authSession.PollingWaitForResultAsync(cancellationToken);
await CallbackPump.UntilAsync(manager, pollTask, disconnected.Task, cancellationToken);
var result = await pollTask;
steamClient.Disconnect();
if (string.IsNullOrWhiteSpace(result.RefreshToken))
{
throw new InvalidOperationException("Steam auth completed without a refresh token.");
}
return new SteamKitSession(
result.AccountName,
authSession is CredentialsAuthSession credentials ? credentials.SteamID.ToString() : null,
result.RefreshToken,
result.AccessToken,
result.NewGuardData,
DateTimeOffset.UtcNow
);
}
}
sealed class EnvAuthenticator(string? emailCode, string? deviceCode, bool acceptMobileConfirmation) : IAuthenticator
{
public Task<string> GetDeviceCodeAsync(bool previousCodeWasIncorrect)
{
if (!string.IsNullOrWhiteSpace(deviceCode) && !previousCodeWasIncorrect)
{
return Task.FromResult(deviceCode);
}
if (!Console.IsInputRedirected)
{
return Task.FromResult(ReadRequiredSecret(
previousCodeWasIncorrect
? "Steam mobile authenticator code was rejected. Enter the current Steam mobile authenticator code: "
: "Enter the current Steam mobile authenticator code: "
));
}
throw new InvalidOperationException("Steam mobile authenticator code required. Set STEAMKIT_TWO_FACTOR_CODE or run scripts/steamkit_auth.sh from an interactive terminal.");
}
public Task<string> GetEmailCodeAsync(string email, bool previousCodeWasIncorrect)
{
if (!string.IsNullOrWhiteSpace(emailCode) && !previousCodeWasIncorrect)
{
return Task.FromResult(emailCode);
}
if (!Console.IsInputRedirected)
{
return Task.FromResult(ReadRequiredSecret(
previousCodeWasIncorrect
? $"Steam Guard email code for {email} was rejected. Enter the latest Steam Guard email code: "
: $"Enter the Steam Guard email code sent to {email}: "
));
}
throw new InvalidOperationException($"Steam Guard email code required for {email}. Set STEAMKIT_AUTH_CODE or run scripts/steamkit_auth.sh from an interactive terminal.");
}
public Task<bool> AcceptDeviceConfirmationAsync()
{
if (acceptMobileConfirmation)
{
return Task.FromResult(true);
}
if (!Console.IsInputRedirected)
{
Console.Error.Write("Approve the Steam mobile confirmation, then press Enter to continue.");
_ = Console.ReadLine();
return Task.FromResult(true);
}
return Task.FromResult(false);
}
static string ReadRequiredSecret(string prompt)
{
Console.Error.Write(prompt);
var value = Console.ReadLine();
if (string.IsNullOrWhiteSpace(value))
{
throw new InvalidOperationException("Steam Guard code was empty.");
}
return value.Trim();
}
}
static class CallbackPump
{
public static async Task UntilAsync(
CallbackManager manager,
Task primary,
Task<string> disconnected,
CancellationToken cancellationToken)
{
while (!primary.IsCompleted)
{
if (disconnected.IsCompleted)
{
throw new InvalidOperationException(await disconnected);
}
cancellationToken.ThrowIfCancellationRequested();
manager.RunWaitCallbacks(TimeSpan.FromMilliseconds(250));
await Task.Yield();
}
await primary;
}
}
static class PicsClient
{
public static async Task<PicsSnapshot> FetchAsync(
string username,
string? password,
string? accessToken,
string? authCode,
string? twoFactorCode,
CancellationToken cancellationToken)
{
var steamClient = new SteamClient();
var manager = new CallbackManager(steamClient);
var steamUser = steamClient.GetHandler<SteamUser>() ?? throw new InvalidOperationException("SteamUser handler unavailable.");
var steamApps = steamClient.GetHandler<SteamApps>() ?? throw new InvalidOperationException("SteamApps handler unavailable.");
var login = new TaskCompletionSource(TaskCreationOptions.RunContinuationsAsynchronously);
var disconnected = new TaskCompletionSource<string>(TaskCreationOptions.RunContinuationsAsynchronously);
manager.Subscribe<SteamClient.ConnectedCallback>(_ =>
{
steamUser.LogOn(new SteamUser.LogOnDetails
{
Username = username,
Password = password,
AccessToken = accessToken,
AuthCode = authCode,
TwoFactorCode = twoFactorCode,
ShouldRememberPassword = !string.IsNullOrWhiteSpace(accessToken),
});
});
manager.Subscribe<SteamUser.LoggedOnCallback>(callback =>
{
if (callback.Result == EResult.OK)
{
login.TrySetResult();
return;
}
var extra = callback.ExtendedResult == EResult.Invalid
? ""
: $" extended={callback.ExtendedResult}";
login.TrySetException(new InvalidOperationException(
$"Steam logon failed: {callback.Result}{extra}. If Steam Guard is required, set STEAMKIT_AUTH_CODE or STEAMKIT_TWO_FACTOR_CODE."
));
});
manager.Subscribe<SteamClient.DisconnectedCallback>(callback =>
{
if (!callback.UserInitiated)
{
disconnected.TrySetResult("Steam disconnected before the PICS request completed.");
}
});
steamClient.Connect();
await CallbackPump.UntilAsync(manager, login.Task, disconnected.Task, cancellationToken);
var aggregate = new ProductAggregate();
var productInfo = new TaskCompletionSource(TaskCreationOptions.RunContinuationsAsynchronously);
var appRequests = Targets.Apps.Keys.Select(id => new SteamApps.PICSRequest(id, 0)).ToList();
var packageRequests = Targets.Packages.Keys.Select(id => new SteamApps.PICSRequest(id, 0)).ToList();
var jobId = steamApps.PICSGetProductInfo(appRequests, packageRequests, metaDataOnly: false);
using var subscription = manager.Subscribe<SteamApps.PICSProductInfoCallback>(jobId, callback =>
{
aggregate.Add(callback);
if (!callback.ResponsePending)
{
productInfo.TrySetResult();
}
});
await CallbackPump.UntilAsync(manager, productInfo.Task, disconnected.Task, cancellationToken);
steamUser.LogOff();
steamClient.Disconnect();
return aggregate.ToSnapshot();
}
}
sealed class ProductAggregate
{
readonly Dictionary<uint, SteamApps.PICSProductInfoCallback.PICSProductInfo> apps = new();
readonly Dictionary<uint, SteamApps.PICSProductInfoCallback.PICSProductInfo> packages = new();
readonly HashSet<uint> unknownApps = new();
readonly HashSet<uint> unknownPackages = new();
public void Add(SteamApps.PICSProductInfoCallback callback)
{
foreach (var pair in callback.Apps)
{
apps[pair.Key] = pair.Value;
}
foreach (var pair in callback.Packages)
{
packages[pair.Key] = pair.Value;
}
foreach (var app in callback.UnknownApps)
{
unknownApps.Add(app);
}
foreach (var package in callback.UnknownPackages)
{
unknownPackages.Add(package);
}
}
public PicsSnapshot ToSnapshot()
{
return new PicsSnapshot(
DateTimeOffset.UtcNow,
apps.ToDictionary(pair => pair.Key.ToString(), pair => ProductInfo.From(pair.Value)),
packages.ToDictionary(pair => pair.Key.ToString(), pair => ProductInfo.From(pair.Value)),
unknownApps.Order().ToArray(),
unknownPackages.Order().ToArray()
);
}
}
sealed record PicsSnapshot(
DateTimeOffset FetchedAtUtc,
Dictionary<string, ProductInfo> Apps,
Dictionary<string, ProductInfo> Packages,
uint[] UnknownApps,
uint[] UnknownPackages
);
sealed record ProductInfo(
uint Id,
uint ChangeNumber,
bool MissingToken,
bool OnlyPublic,
bool UseHttp,
string? HttpUri,
string? ShaHash,
KeyValueNode? KeyValues)
{
public static ProductInfo From(SteamApps.PICSProductInfoCallback.PICSProductInfo info)
=> new(
info.ID,
info.ChangeNumber,
info.MissingToken,
info.OnlyPublic,
info.UseHttp,
info.HttpUri?.ToString(),
info.SHAHash is null ? null : Convert.ToHexString(info.SHAHash),
info.KeyValues is null ? null : KeyValueNode.From(info.KeyValues)
);
}
sealed record KeyValueNode(string Name, string? Value, List<KeyValueNode> Children)
{
public static KeyValueNode From(KeyValue keyValue)
=> new(
keyValue.Name ?? "",
keyValue.Value,
keyValue.Children.Select(From).ToList()
);
public KeyValueNode? Child(string name)
=> Children.FirstOrDefault(child => string.Equals(child.Name, name, StringComparison.OrdinalIgnoreCase));
public string? Path(params string[] names)
{
var current = this;
foreach (var name in names)
{
current = current.Child(name);
if (current is null)
{
return null;
}
}
return current.Value;
}
}
sealed record PreviousRow(string ChangeNumber);
static class PreviousRows
{
public static Dictionary<string, PreviousRow> Load(string? path)
{
if (string.IsNullOrWhiteSpace(path) || !File.Exists(path))
{
return new Dictionary<string, PreviousRow>(StringComparer.Ordinal);
}
var lines = File.ReadAllLines(path);
if (lines.Length == 0)
{
return new Dictionary<string, PreviousRow>(StringComparer.Ordinal);
}
var header = lines[0].Split('\t');
var typeIndex = Array.IndexOf(header, "type");
var idIndex = Array.IndexOf(header, "id");
var changeIndex = Array.IndexOf(header, "changenumber");
if (typeIndex < 0 || idIndex < 0 || changeIndex < 0)
{
return new Dictionary<string, PreviousRow>(StringComparer.Ordinal);
}
var result = new Dictionary<string, PreviousRow>(StringComparer.Ordinal);
foreach (var line in lines.Skip(1))
{
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
var parts = line.Split('\t');
if (parts.Length <= Math.Max(typeIndex, Math.Max(idIndex, changeIndex)))
{
continue;
}
result[$"{parts[typeIndex]}:{parts[idIndex]}"] = new PreviousRow(parts[changeIndex]);
}
return result;
}
}
sealed record ReportRow(
string Type,
string Product,
string Id,
string Status,
string ChangeNumber,
string PreviousChangeNumber,
string ChangedSincePrevious,
string ShaHash,
string OnlyPublic,
string Name,
string RelatedIds,
string Details)
{
public static string HeaderLine()
=> string.Join('\t', new[]
{
"type",
"product",
"id",
"status",
"changenumber",
"previous_changenumber",
"changed_since_previous",
"sha_hash",
"only_public",
"name",
"related_ids",
"details",
});
public string ToTsv()
=> string.Join('\t', new[]
{
Type,
Product,
Id,
Status,
ChangeNumber,
PreviousChangeNumber,
ChangedSincePrevious,
ShaHash,
OnlyPublic,
Name,
RelatedIds,
Details,
}.Select(Tsv.Clean));
}
static class Tsv
{
public static string Clean(string? value) => (value ?? "").Replace('\t', ' ').Replace('\n', ' ').Trim();
}
static class ReportRows
{
public static List<ReportRow> Build(PicsSnapshot snapshot, Dictionary<string, PreviousRow> previous)
{
var rows = new List<ReportRow>();
foreach (var (id, product) in Targets.Apps.OrderBy(pair => pair.Key))
{
var key = id.ToString();
rows.Add(snapshot.Apps.TryGetValue(key, out var info)
? AppRow(product, info, previous)
: MissingRow("app", product, id, snapshot.UnknownApps.Contains(id) ? "unknown" : "missing", previous));
}
foreach (var (id, product) in Targets.Packages.OrderBy(pair => pair.Key))
{
var key = id.ToString();
rows.Add(snapshot.Packages.TryGetValue(key, out var info)
? PackageRow(product, info, previous)
: MissingRow("package", product, id, snapshot.UnknownPackages.Contains(id) ? "unknown" : "missing", previous));
}
return rows;
}
static ReportRow AppRow(string product, ProductInfo info, Dictionary<string, PreviousRow> previous)
{
var name = info.KeyValues?.Path("common", "name") ?? "";
var depotIds = info.KeyValues?.Child("depots")?.Children
.Where(child => uint.TryParse(child.Name, out _))
.Select(child => child.Name)
.Order()
.ToArray() ?? Array.Empty<string>();
var branches = info.KeyValues?.Child("depots")?.Child("branches")?.Children ?? new List<KeyValueNode>();
var branchNames = branches.Select(branch => branch.Name).Where(name => !string.IsNullOrWhiteSpace(name)).Order().ToArray();
var branchBuildIds = branches
.Select(branch => (branch.Name, BuildId: branch.Path("buildid")))
.Where(branch => !string.IsNullOrWhiteSpace(branch.Name) && !string.IsNullOrWhiteSpace(branch.BuildId))
.Select(branch => $"{branch.Name}:{branch.BuildId}")
.Order()
.ToArray();
var status = info.MissingToken ? "private_metadata_token_required" : "available";
var details = $"depots_count={depotIds.Length}; branch_names={string.Join(",", branchNames)}; branch_buildids={string.Join(",", branchBuildIds)}";
return WithPrevious(
"app",
product,
info.Id.ToString(),
status,
info.ChangeNumber.ToString(),
info.ShaHash ?? "",
info.OnlyPublic.ToString(),
name,
string.Join(",", depotIds),
details,
previous
);
}
static ReportRow PackageRow(string product, ProductInfo info, Dictionary<string, PreviousRow> previous)
{
var appIds = info.KeyValues?.Child("appids")?.Children
.Select(child => child.Name)
.Where(name => uint.TryParse(name, out _))
.Order()
.ToArray() ?? Array.Empty<string>();
var name = info.KeyValues?.Path("name") ?? info.KeyValues?.Path("common", "name") ?? "";
var status = info.MissingToken ? "private_metadata_token_required" : "available";
var details = $"apps_count={appIds.Length}";
return WithPrevious(
"package",
product,
info.Id.ToString(),
status,
info.ChangeNumber.ToString(),
info.ShaHash ?? "",
info.OnlyPublic.ToString(),
name,
string.Join(",", appIds),
details,
previous
);
}
static ReportRow MissingRow(string type, string product, uint id, string status, Dictionary<string, PreviousRow> previous)
=> WithPrevious(type, product, id.ToString(), status, "", "", "", "", "", "PICS product info was not returned", previous);
static ReportRow WithPrevious(
string type,
string product,
string id,
string status,
string changeNumber,
string shaHash,
string onlyPublic,
string name,
string relatedIds,
string details,
Dictionary<string, PreviousRow> previous)
{
previous.TryGetValue($"{type}:{id}", out var previousRow);
var previousChange = previousRow?.ChangeNumber ?? "";
var changed = "";
if (!string.IsNullOrWhiteSpace(changeNumber))
{
changed = string.IsNullOrWhiteSpace(previousChange)
? "new"
: previousChange == changeNumber ? "no" : "yes";
}
return new ReportRow(type, product, id, status, changeNumber, previousChange, changed, shaHash, onlyPublic, name, relatedIds, details);
}
}
static class MarkdownReport
{
public static string Build(PicsSnapshot snapshot, List<ReportRow> rows, string? previousReportPath)
{
var lines = new List<string>
{
"# SteamKit / PICS Detail",
"",
$"Fetched at UTC: `{snapshot.FetchedAtUtc:O}`",
"",
"SteamKit/PICS is the direct Steam metadata check. A `private_metadata_token_required` status means Steam returned the product shell and changenumber but withheld private product details without a PICS token. For this project, that is still useful as a movement signal, not a public-readiness signal.",
"",
};
if (!string.IsNullOrWhiteSpace(previousReportPath))
{
lines.Add($"Previous report: `{previousReportPath}`");
lines.Add("");
}
var changedRows = rows.Where(row => row.ChangedSincePrevious is "yes" or "new").ToList();
lines.Add("## Changenumber Movement");
lines.Add("");
if (changedRows.Count == 0)
{
lines.Add("- No watched SteamKit/PICS changenumber movement versus the previous report.");
}
else
{
lines.AddRange(changedRows.Select(row =>
$"- `{row.Type}` `{row.Product}` `{row.Id}`: `{row.PreviousChangeNumber}` -> `{row.ChangeNumber}` (`{row.Status}`)"
));
}
lines.Add("");
lines.Add("## Watched Products");
lines.Add("");
foreach (var product in rows.Select(row => row.Product).Distinct().Order())
{
lines.Add($"### {product}");
lines.Add("");
foreach (var row in rows.Where(row => row.Product == product).OrderBy(row => row.Type).ThenBy(row => row.Id))
{
var interpretation = row.Status == "available"
? "metadata available"
: row.Status == "private_metadata_token_required"
? "movement signal only; private metadata is withheld"
: "unavailable in this run";
lines.Add($"- `{row.Type}` `{row.Id}`: changenumber `{row.ChangeNumber}`, previous `{row.PreviousChangeNumber}`, changed `{row.ChangedSincePrevious}`, status `{row.Status}` ({interpretation}).");
if (!string.IsNullOrWhiteSpace(row.Name))
{
lines.Add($" Name: `{row.Name}`.");
}
if (!string.IsNullOrWhiteSpace(row.RelatedIds))
{
lines.Add($" Related IDs: `{row.RelatedIds}`.");
}
if (!string.IsNullOrWhiteSpace(row.ShaHash))
{
lines.Add($" SHA hash: `{row.ShaHash}`.");
}
if (!string.IsNullOrWhiteSpace(row.Details))
{
lines.Add($" Details: `{row.Details}`.");
}
}
lines.Add("");
}
lines.Add("## Raw Outputs");
lines.Add("");
lines.Add("- Raw JSON: `api/steamkit/pics-product-info.json`");
lines.Add("- Compact TSV: `reports/steamkit-pics-packages.tsv`");
lines.Add("");
return string.Join(Environment.NewLine, lines);
}
}